7EV4

Crystal structure of the Lon-like protease MtaLonC with S582A mutation in complex with F-b20-Q

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	295	10% isopropanol, 100 mM monosodium phosphate, 100 mM sodium citrate at pH 4.6.

Crystal Properties
Matthews coefficient	Solvent content
3.23	61.88

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.597	α = 90
b = 115.597	β = 90
c = 135.482	γ = 120

Symmetry
Space Group	P 6

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	BRUKER SMART 6500		2011-06-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL44XU	1	SPring-8	BL44XU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.12	30	99.9	0.113	21.5	11.5		58112

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.12	2.2	100		0.698	3.9	11.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	4FW9	2.12	29.93	55096	2934	99.63	0.1825	0.1805	0.22	RANDOM	40.42

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.13	-0.07		-0.13		0.44

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.952
r_dihedral_angle_4_deg	21.235
r_dihedral_angle_3_deg	16.256
r_dihedral_angle_1_deg	8.021
r_angle_refined_deg	1.799
r_angle_other_deg	1.446
r_chiral_restr	0.083
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.952
r_dihedral_angle_4_deg	21.235
r_dihedral_angle_3_deg	16.256
r_dihedral_angle_1_deg	8.021
r_angle_refined_deg	1.799
r_angle_other_deg	1.446
r_chiral_restr	0.083
r_bond_refined_d	0.013
r_gen_planes_refined	0.009
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4581
Nucleic Acid Atoms
Solvent Atoms	372
Heterogen Atoms	38

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.